mattisonchao commented on code in PR #17237:
URL: https://github.com/apache/pulsar/pull/17237#discussion_r952498972
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentStreamingDispatcherSingleActiveConsumer.java:
##########
@@ -175,14 +175,19 @@ public synchronized void internalReadEntryComplete(Entry
entry, PendingReadEntry
}
@Override
- protected void readMoreEntries(Consumer consumer) {
+ protected synchronized void readMoreEntries(Consumer consumer) {
// consumer can be null when all consumers are disconnected from
broker.
// so skip reading more entries if currently there is no active
consumer.
if (null == consumer) {
return;
}
+ if (havePendingRead) {
Review Comment:
Check status ahead of time to avoid logging incorrect information.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentDispatcherSingleActiveConsumer.java:
##########
@@ -354,17 +359,15 @@ protected void readMoreEntries(Consumer consumer) {
log.debug("[{}-{}] Schedule read of {} messages", name,
consumer, messagesToRead);
}
- synchronized (this) {
- havePendingRead = true;
- if (consumer.readCompacted()) {
- topic.getCompactedTopic().asyncReadEntriesOrWait(cursor,
messagesToRead, isFirstRead,
- this, consumer);
- } else {
- ReadEntriesCtx readEntriesCtx =
- ReadEntriesCtx.create(consumer,
consumer.getConsumerEpoch());
- cursor.asyncReadEntriesOrWait(messagesToRead,
- bytesToRead, this, readEntriesCtx,
topic.getMaxReadPosition());
- }
+ havePendingRead = true;
Review Comment:
Move `synchronized` to the method, could you take a look?
/cc @shibd
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